Table 1.
Antitumor compounds specific to the genus Xanthium, namely the species studied, X. spinosum L.
| Caffeoylquinic Acids | Xanthanolide Sesquiterpene Lactones | |||||
|---|---|---|---|---|---|---|
| Sample | 4-O-Caffeoylquinic Acid (µg/mL Extract) * | 3,4-Dicaffeoylquinic Acid (µg/mL Extract) * | 3,5-Dicaffeoylquinic Acid (µg/mL Extract) * | 4,5-Dicaffeoylquinic Acid (µg/mL Extract) * | Xanthatin (µg/mL Extract) * | 8-Epi-Xanthatin (µg/mL Extract) * |
| M | 2.927 ± 0.351 | 4.09 ± 0.573 | 13.94 ± 0.837 | 21.40 ± 1.926 | 3.95 ± 0.513 | 1.04 ± 0.083 |
| S60 | 4.611 ± 0.323 | 13.42 ± 0.671 | 56.78 ± 4.543 | 75.96 ± 9.875 | 7.22 ± 0.433 | 2.88 ± 0.230 |
| T26 | 2.086 ± 0.271 | 7.31 ± 0.657 | 36.91 ± 1.845 | 36.94 ± 2.586 | 2.79 ± 0.195 | 1.82 ± 0.055 |
| T44 | 2.009 ± 0.201 | 6.37 ± 0.574 | 35.48 ± 2.129 | 36.26 ± 2.901 | 3.21 ± 0.385 | 2.19 ± 0.132 |
| T46 | 1.78 ± 0.267 | 6.58 ± 0.263 | 31.55 ± 1.578 | 35.24 ± 4.581 | 3.12 ± 0.405 | 1.49 ± 0.179 |
| T48 | 1.244 ± 0.087 | 4.09 ± 0.491 | 17.16 ± 0.515 | 20.83 ± 3.125 | 1.73 ± 0.138 | 1.04 ± 0.104 |
| U14 | 1.856 ± 0.260 | 10.52 ± 1.052 | 58.21 ± 8.149 | 48.17 ± 6.743 | 4.55 ± 0.227 | 6.04 ± 0.725 |
| U24 | 2.468 ± 0.173 | 10.73 ± 0.429 | 66.90 ± 8.028 | 59.85 ± 1.796 | 5.57 ± 0.223 | 6.29 ± 0.503 |
| U25 | 2.927 ± 0.234 | 12.49 ± 1.124 | 75.82 ± 10.615 | 72.67 ± 6.540 | 6.36 ± 0.191 | 5.79 ± 0.752 |
| U34 | 3.234 ± 0.194 | 16.01 ± 1.121 | 106.88 ± 10.688 | 95.24 ± 14.286 | 7.27 ± 0.945 | 5.26 ± 0.368 |
| UT | 2.774 ± 0.222 | 13.11 ± 0.524 | 93.67 ± 9.367 | 73.92 ± 7.392 | 5.97 ± 0.776 | 4.53 ± 0.181 |
* concentrations were expressed as mean ± SD.